They are great.
Cersei looked flawless:
Gus Ruelas / Reuters
And so did Khaleesi:
Gus Ruelas / Reuters
Tyrion danced with his real-life wife on the red carpet:
Jay L. Clendenin / Los Angeles Times / MCT
And made friends with Daenerys:
Todd Williamson / Invision for Academy of Television Arts & Sciences / AP Images